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6-24 SL520/530/631 PLUS Chartplotter Displays
Integrated System
Checks
6.9 Integrated System Checks
Chart Display
When you have connected your display unit to the required equipment ensure
that position data is available at the display via NMEA or SeaTalk.
To confirm your chartplotter is operating correctly, perform the following
checks:
1. Without a chart card installed, select the Chart display mode and select a
suitable range scale. Verify that the world map is visible.
Use the trackpad to check cursor movement and normal scrolling action.
2. To ensure that the display is responding to position data:
Press FIND SHIP, check the cursor is fixed on the vesselsymbol which is cor-
rectly positioned at the center of the chart display.
3. Insert a chart cartridge for the area of your vessel.
Use the RANGE key to zoom-in to check that the chart data is being dis-
played.
Received Data
If either SeaTalk or NMEA In is connected, verify that the expected data is
displayed.
1. Press DISPLAY and select the NAV DATA WINDOW ON.
Check that the expected data is displayed.
2. If heading data is connected, select Chart modeand check it isdisplayed in
the heading data box .
Transmitted Data
If SeaTalk or NMEA Out is being transmitted to other equipment, check that
the data is being received correctly.
An NMEA Out connector is used to transmit navigation data. The NMEA
Output cableshould be connected totheupper, leftconnector ontherear of the
display unit.
Note: The NMEA Output cable has a ferrite clamp attached to ensure EMC
conformance.